The Number

1280

One Thousand Two Hundred and Eighty

Nearby Numbers

Positive, nonzero integers within three units

1277
One Thousand Two Hundred and Seventy-Seven
1278
One Thousand Two Hundred and Seventy-Eight
1279
One Thousand Two Hundred and Seventy-Nine
1281
One Thousand Two Hundred and Eighty-One
1282
One Thousand Two Hundred and Eighty-Two
1283
One Thousand Two Hundred and Eighty-Three

Scientific Notation

Scientific notation expresses a quantity as the product of its significand with 10 raised to an integer exponent.

1.280e3

Reciprocal

A number multiplied with its reciprocal is one.

0.00078125

The reciprocal of 1280.

Palindrome?

A numerical palindrome has the same value when all of its digits are reversed.

The number 1280 is not a palindrome.

Not A Prime Number

A prime number is a positive integer that is divisible only by itself and one.

One thousand two hundred and eighty is a composite number with 18 total factors (including 1 and itself).   See primes in Base 10 Decimal

A Composite

Composites have more than just these two factors.

One thousand two hundred and eighty is a composite number with 18 total factors (including 1 and itself).

Prime Factors

The prime factors of a positive integer are the integers that divide it exactly and are also prime.

The number one thousand two hundred and eighty has the following 2 prime factors:

2
Two
5
Five

Prime Factorization

The prime factorization of a positive integer is the unique list of prime factors together with their multiplicities

28 · 51 = 1280

Base Conversions

The number one thousand two hundred and eighty in 35 different bases